210111002209001 has 2 divisors, whose sum is σ = 210111002209002. Its totient is φ = 210111002209000.

The previous prime is 210111002208929. The next prime is 210111002209021. The reversal of 210111002209001 is 100902200111012.

It is an a-pointer prime, because the next prime (210111002209021) can be obtained adding 210111002209001 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135873409425625 + 74237592783376 = 11656475^2 + 8616124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210111002209001 is a prime.

It is not a weakly prime, because it can be changed into another prime (210111002209021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105055501104500 + 105055501104501.

It is an arithmetic number, because the mean of its divisors is an integer number (105055501104501).

Almost surely, 2^{210111002209001} is an apocalyptic number.

It is an amenable number.

210111002209001 is a deficient number, since it is larger than the sum of its proper divisors (1).

210111002209001 is an equidigital number, since it uses as much as digits as its factorization.

210111002209001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 210111002209001 in words is "two hundred ten trillion, one hundred eleven billion, two million, two hundred nine thousand, one".